Tabla de conjugación del verbo "To study"
Present Simple (Presente Simple)Present Simple Continuous (Presente Continuo)Negative
He/She/It isn't studying. Past Simple (Pasado Simple)Past Continuous (Pasado Continuo)Negative
He/She/It wasn't studying. Future Simple (Futuro Simple)Present Perfect Simple (Presente Perfecto)Negative
He/She/It hasn't studied. Present Perfect Continuous (Presente Perfecto Continuo)Affirmative
He/She/It's been studying.Negative
You haven't been studying.
We haven't been studying.
He/She/It hasn't been studying.
You haven't been studying.
They haven't been studying.Interrogative
Has he/she/it been studying? Past Perfect Simple (Pasado Perfecto)Negative
He/She/It hadn't studied. Past Perfect Continuous (Pasado Perfecto Continuo)Affirmative
He/She/It'd been studying.Negative
You hadn't been studying.
He/She/It hadn't been studying.
You hadn't been studying.
They hadn't been studying.Interrogative
Had he/she/it been studying? Future Perfect (Futuro Perfecto)Affirmative
He/She/It'll have studied.Negative
He/She/It won't have studied.Interrogative
Will he/she/it have studied? Conditional (Condicional)Negative
He/She/It wouldn't study. Conditional Perfect (Condicional Perfecto)Affirmative
He/She/It'd have studied.Negative
You wouldn't have studied.
We wouldn't have studied.
He/She/It wouldn't have studied.
You wouldn't have studied.
They wouldn't have studied.Interrogative
Would he/she/it have studied?